package com.tuyrt.demo.builder

/**
 * author: Administrator on 2021/11/10.
 * desc:
 */
class Pen {
    var color: String = "white"
    var width: Float = 1.0f
    var round: Boolean = false
    fun write() {
        println("color:${color},width:${width},round:${round}")
    }
}